Street | Maximum Gradient | Minimum Gradient | Clear Sight Distance |
Arterial thoroughfare* | 5% | 0.25% | 500 feet |
Primary and parkways* | 5% | 0.25% | 300 feet |
Secondary | 5% | 0.25% | 200 feet |
Section and half section line | 5% | 0.25% | 200 feet |
Local | 6% | 0.25% | 150 feet |
Cul-de-sac | 6% | 0.25% | 150 feet |
Marginal access | 6% | 0.25% | 200 feet |
In Business districts | 2% | 0.25% | 500 feet |
Note:* Minimum standards for these streets shall be as indicated or as determined by the Plan Commission and the County Highway Supervisor.
(Ord. 466, Appendix: Minimum Street Design Standards, passed 5-11-98)